This Service Repair Manual covers the Mercury 90 HP outboard motor, model year 1995, with serial numbers 0G0N369 and above. This inline 3-cylinder, water-cooled engine offers 90 horsepower with a displacement of 1239 cc and a carbureted fuel system. Designed for reliable performance on the water, this motor is engineered to provide consistent power across its operating range of 4500-5500 RPM. Its robust construction and straightforward design ensure dependable operation for a variety of boating applications. The purpose of this manual is to provide comprehensive information for the maintenance, repair, and servicing of your Mercury 90 HP outboard motor. It details essential procedures, technical specifications, and troubleshooting guidance. Key areas covered include lubrication, recommended fluids, break-in periods, and component specifications. By following the instructions within this manual, owners and technicians can effectively maintain the motor's optimal performance, ensure longevity, and address potential issues promptly.